package servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import bean.student;
import dao.studentDao;
import sql.sqlConnect;

public class LoginServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public LoginServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		/*studentDao studentD = new studentDao();
		List<student> studentList = studentD.selectAllStudent();
		if(studentList != null && studentList.size() > 0){
			for(int i=0; i<studentList.size(); i++)
			{
				student student = studentList.get(i);
				String username = request.getParameter("username");
				String password = request.getParameter("password");
				student.setUsername(username);
				student.setPassword(password);
				if(student.getUsername().equals(student.getUsername()) && student.getPassword().equals(student.getPassword()))
				{
					response.sendRedirect(request.getContextPath()+"/login_success.jsp");
				}
				else
				{
					response.sendRedirect(request.getContextPath()+"/login_failure.jsp");
				}
				
			}
		}*/
		student student = new student();
		//返回指定参数的参数值,即返回登录信息
		String username = request.getParameter("username");
		String password = request.getParameter("password");
		student.setUsername(username);
		student.setPassword(password);
		if(student.getUsername().equals("admin") && student.getPassword().equals("admin"))
		{
			response.sendRedirect(request.getContextPath()+"/login_success.jsp");
		}
		else
		{
			response.sendRedirect(request.getContextPath()+"/login_failure.jsp");
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
